SQL Server ldf lost database recovery

Source: Internet
Author: User
Tags sql server management

If the ldf file of the database is lost or damaged, the Database loading fails. Check SQL Server Management> SQL Server Logs to see that ldf loading fails.


1. view the database status

Select * from sys. databases

The state_desc of the corresponding database is Recovery.

You can view the database status at any time in subsequent steps


2. Allow database updates

Sp_configure 'Allow updates', 1


Reconfigure with override


It seems that this step is not done. You can also use it.


3. Take the database offline

Alter database Test set offline


4. Set the database to an emergency

Alter database Test set emergency



5. Set the single-user mode

Alter database Test set single_User


6. Use DBCC to restore logs


Dbcc checkdb ('test', REPAIR_REBUILD)

7. This step should be okay. The following is how to restore the database to a normal state.

Exec sp_resetstatus 'test'

Exec sp_dboption 'test', n' single ', 'false'

Alter database Test set online



8. Disable update.

Sp_configure 'Allow updates', 0


Reconfigure with override



The database has been restored.







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